Posted on 2010-01-07
Medium Priority
Last Modified: 2012-06-21
I've been asked to do a feasibilty study for using toll-bypass over several locations in the country (and a couple sites in Europe).  I'm looking for feedback from people who have implemented toll-bypass, using a variety of methods.   First choice is to use the public internet as the actual "backbone" for such a network.  I would like to investigate the use of GSM gateways (SIM boxes), Cisco telephony hardware/software (?with Call Manager perhaps if needed?), Asterix servers, etc.  How did you do it?
Can I get an idea of what has been used successfully?  I'm looking to see what hardware has been used, and what services (ISP, SIP, PRI, POTS, GSM, etc.) has been used to make this happen.
Question by:mrkent
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Expert Comment

ID: 26284942
hi, there are various ways you can implement this.

are you trying to reduce the costs calling international, mobiles or all.

in my opnion using SIP gateway is the most cost-effective solution for international calls

Author Comment

ID: 26288029
To answer, yes and yes.  They are looking for cost savings for international calls, and for mobiles..

Can you point me to succesful immplentations of toll bypass using SIP gateways?  (plus any specfics, hardware, software, SIP service providers, etc.)
Thank you

Accepted Solution

keshavj22 earned 2000 total points
ID: 26291461
Depending on what your current PBX is and your budgets are.

you can either look at building an Asterisk / Trixbox solution and create a tie trunk with your existing PBX. Get an account with SIP provider and route all international and mobile calls via the asterix box on your PBX...

Alternatively, if your current PBX supports SIP, you could like at getting a SIP trunk connected with the PBX

This is just an intital thought, you can build on this as per your specific requirement...

Hope this helps.

Author Comment

ID: 26342136
Thanks!  This is a great start.

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